- Best quality
- Quick assembly
- Longevity
Friwa
DHW
technology
FriwaMaxi up to 77 l/min, FC3.10
Domestic hot water preparation operating on the principle of a flow-type water heater
Withdrawal capacity: 2-77 l/min
Circulation: optional
Withdrawal capacity: 2-77 l/min
Circulation: optional
Operating data
Max. operating temperature:
95 °C
Max. operating pressure primary:
3 bar
Max. operating pressure secondary:
10 bar
Kvs value primary:
5,6
Kvs value secondary:
5,2
Max. flow rate:
77 l/min
Transmission performance:
187 kW
Min. flow rate:
2 l/min
Equipment
Controller:
FC3.10
Check valves:
primary: 2 x 400 mm wc
Shut-off valves:
Ball valves and piston valves
Sensors:
primary: 1 x Pt1000 / secondary: 2 x Pt1000 / 1 x flow meter
Temperature sensor:
primär: 1 x Pt1000; sekundär: 2 x Pt1000
Circulation:
optional
Flow meter:
1-130 l/min
Opening pressure check valve:
400 mm wc
Dimensions
Height:
795 mm
Width:
602 mm
Nominal diameter:
DN 25 (1")
Depth:
298 mm
Installation length:
769 mm
Connection primary:
2" ext. thread
Connection secondary:
1 ¼“ ext. thread
Centre distance primary:
120 mm
Centre distance secondary:
100 mm
Materials
Valves and fittings:
Brass
Gaskets:
EPDM / AFM34
Insulation:
EPP
Piping:
Stainless steel
Check valves:
Brass
Design data (Friwa)
Cold water inlet temperature:
10 °C
Withdrawal capacity: min. flow rate:
2 l/min
Field of application:
Domestic hot water preparation operating on the principle of a flow-type water heater
Application range:
In solar thermal systems
In systems with a heat pump, a solid fuel boiler, oil or gas boiler
Connection to a buffer tank
As a quadruple cascade up to 308 l/min (as per SPF LK 1)*
No domestic hot water tank necessary
Energy for heating the water is taken from the buffer tank
Operating data:
Max. operating pressure: primary = 3 bars, secondary = 10 bars
Max. operating temperature: 95 °C
Min. flow rate: 2 l/min Max. flow rate: 77 l/min
The CE-conformity of the module has been certified according to
DIN EN 60335 and SVGW.
*Indication of performance as per SPF test procedure
Domestic hot water preparation operating on the principle of a flow-type water heater
Application range:
In solar thermal systems
In systems with a heat pump, a solid fuel boiler, oil or gas boiler
Connection to a buffer tank
As a quadruple cascade up to 308 l/min (as per SPF LK 1)*
No domestic hot water tank necessary
Energy for heating the water is taken from the buffer tank
Operating data:
Max. operating pressure: primary = 3 bars, secondary = 10 bars
Max. operating temperature: 95 °C
Min. flow rate: 2 l/min Max. flow rate: 77 l/min
The CE-conformity of the module has been certified according to
DIN EN 60335 and SVGW.
*Indication of performance as per SPF test procedure
